What did ASCA see in the GRB 970828 afterglow?A. Yoshida, M. Namiki, C. Otani, N. Kawai, T. Murakami, Y. Ueda, R. Shibata and S. UnoAstron. Astrophys. Suppl. Ser., 138 3 (1999) 433-434DOI: https://doi.org/10.1051/aas:1999297
